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发明名称
Roll type rock crusher
摘要
申请公布号
US3322357(A)
申请公布日期
1967.05.30
申请号
US19630324328
申请日期
1963.11.18
申请人
HARSCO CORPORATION
发明人
MILLER HAROLD J.
分类号
B02C4/02
主分类号
B02C4/02
代理机构
代理人
主权项
地址
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